
x = .0;                                  
Point(1) = {0.0,0.0,0.0,1};                                          
Point(2) = {1,0.0,0.0,1};                                          
Point(3) = {1,1,0.0,1};                                          
Point(4) = {0,1,0.0,1};                                          
Line(1) = {4,3};                                          
Line(2) = {3,2};                                          
Line(3) = {2,1};                                          
Line(4) = {1,4};                                          
Line Loop(5) = {2,3,4,1};                                          
Plane Surface(6) = {5};                                          
Extrude {0,0.0,1}{ Surface{6}; Layers {1};
 //Recombine;
}
